题干
If you’re in Florence, Italy and see a man on a ladder ________ the dust off statues and buildings, don’t worry. It’s just Alessandro Ricci ________ material for his famous smog painting.
| A．wipe; accumulating | B．to wipe; to accumulate | C．wiping; gathering | D．wipes; to gather |
答案(点此获取答案解析）
